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Finding the Fourth Proportional to 364.24, 546.11 and 120.63

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Solution

The fourth proportional to 364.24, 546.11 and 120.63 is: 180.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.24 : 546.11 = 120.63 : x
  2. Step 2: Convert to fraction form
    364.24/546.11 = 120.63/x
  3. Step 3: Cross multiply
    364.24x = 546.11 × 120.63
  4. Step 4: Simplify right side
    364.24x = 65,879.15
  5. Step 5: Solve for x
    x = 65,879.15/364.24
  6. Step 6: Final answer
    x = 180.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.